Index: boot/arch/mips32/src/asm.S
===================================================================
--- boot/arch/mips32/src/asm.S	(revision bc24c5e1e786b73390f853d7eeb576b1d958477a)
+++ boot/arch/mips32/src/asm.S	(revision 89ae871026e5e2cda63efc45161e7e649e67f226)
@@ -41,7 +41,20 @@
 
 start:
-	/* Setup CPU map (on msim this code
-	   is executed in parallel on all CPUs,
-	   but it not an issue) */
+	/*
+	 * Setup the CP0 configuration
+	 *  - Disable 64-bit kernel addressing mode
+	 *  - DIsable 64-bit supervisor adressing mode
+	 *  - Disable 64-bit user addressing mode
+	 */
+	mfc0 $a0, $status
+	la $a1, 0xffffff1f
+	and $a0, $a1, $a0
+	mtc0 $a0, $status
+	
+	/*
+	 * Setup CPU map (on msim this code
+	 * is executed in parallel on all CPUs,
+	 * but it not an issue).
+	 */
 	la $a0, PA2KA(CPUMAP_OFFSET)
 	
@@ -94,6 +107,8 @@
 	lw $k1, ($k0)
 	
-	/* If we are not running on BSP
-	   then end in an infinite loop  */
+	/*
+	 * If we are not running on BSP
+	 * then end in an infinite loop.
+	 */
 	beq $k1, $zero, bsp
 	nop
@@ -127,9 +142,10 @@
 
 jump_to_kernel:
-	#
-	# TODO:
-	# Make sure that the I-cache, D-cache and memory are mutually coherent
-	# before passing control to the copied code.
-	#
+	/*
+	 * TODO:
+	 *
+	 * Make sure that the I-cache, D-cache and memory are mutually
+	 * coherent before passing control to the copied code.
+	 */
 	j $a0
 	nop